4/17/2019

How to use CGDI BMW Data Modify Function?

Why CGDI Prog BMW is one of the must-to-have BMW Devices ?
No need DME ISN or Removing ISN when All Key Lost.

Note: The BMW Data modification and verification license is required. The license is free to use.

Examples:
1.Test CAS3 All keys lost
2.Test CAS4 all keys lost

Preparation:
Read CAS3 eeprom dand CAS4 dflash data with CG Pro or VVDI Prog

1 .Test CAS3 All keys lost No need DEM ISN code
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Select BMW Data Modify
Select Data type: CAS3
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Load CAS3 eeprom
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The current data is CAS for encrypted version data. Click on NO and don't decrypt the ISN.
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CGDI BMW display VIN and CAS ISN code
Copy the ISN code
Go back to CGDI function menu
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Select CAS3 Key Match
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Load CAS data
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Select a unused key position and Generate Dealer Key
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Choose Manually enter a known ISN
Paste the ISN code here, press Next
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Place the blank key into CGDI key programmer
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If the current programmed key is a smart key, the key will be locked.
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Program key success. The key is locked.


2.Test CAS4 All Keys Lost
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In Tango key programmer,  select BMW->Cars-> CAS4
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Upload CAS4 dflash data
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Detected CAS4+ Type
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Select I have DME ISN
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Tango asks to enter a DME ISN code to continue
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Go to CGDI BMW, select BMW Data Modify->CAS4 type
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Load CAS4 dflash data
The current data is CAS for encrypted version data.
Press Yes to decrypt the ISN
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CGDI Read CAS4 VIN and ISN
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Paste the ISN code to Tango corresponding area
Select a key position and write key.

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